11664573 has 8 divisors (see below), whose sum is σ = 15621600. Its totient is φ = 7741968.

The previous prime is 11664563. The next prime is 11664577. The reversal of 11664573 is 37546611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11664573 - 2⁴ = 11664557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7803 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (1952700).

Almost surely, 2^11664573 is an apocalyptic number.

It is an amenable number.

11664573 is a deficient number, since it is larger than the sum of its proper divisors (3957027).

11664573 is a wasteful number, since it uses less digits than its factorization.

11664573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211.

The product of its digits is 15120, while the sum is 33.

The square root of 11664573 is about 3415.3437601507. The cubic root of 11664573 is about 226.7895025764.

The spelling of 11664573 in words is "eleven million, six hundred sixty-four thousand, five hundred seventy-three".